Heat treating and inspection of metals Page: 3
57 p: ill., diagrs., tables. Enclosed at end: Change 1 (4 pages)View a full description of this book.
Extracted Text
The following text was automatically extracted from the image on this page using optical character recognition software:
TM 1-423
HEAT TREATING AND INSPECTION OF METALS C 1
temperature. After the soaking period the parts should be removed
from the furnace and quenched in oil.
c. Tempcering.-The ultimate strength pro(luced * * * should
be well below the tellnel)ii)g tenlperature.
'1e pee'intg tcmpeclt utut'e Ultimate strength
(oF.) (pt;unds per square inch)
1, 050_ --------------------------------- 125, 000
950 ---------------------------------- 150, 000
800-------. . --------------------------- 180, 000
[A. G. 062.11 (1-10-42).1 (C. 1. 'Mar. 10. 1942.)
21. Chrome-nickel steel (SAE 3435).
* * * * * *
b. Hlardening.-HIardenlling is accomplished by gradual heating to
a temperature of 1,100 to 1,4-50 F., followed by an oil quench.
* * * * * * *
[A. G. 062.11 (1-10-42).] (C. 1, Mar. 10, 1942.)
33. Alloy 17S.
e. Hardenling.
* * * * * * *
(4) Age at r oom(11 teIll)erature for 24 hours. (Ninety percent of
the maximum hardness is obtained in this time; maximum
hardness is obtained in 4 days.)
[A. G. 062.11 (1-10-42).] (C. 1, Mar. 10, 1942.)
35. Alloy 24S.
* * * * * * *
e. Hardening.
S * * * * * *
(4) Age at room temperature for 16 to 24 hours. (Ninety per-
cent of the maximum hardness is obtained in this time; maxi-
mum hardness obtained in 4 days.)
[ \. G 062.11 (1-10-42).] (C. 1. Mar. 10, 1942.)
37. Alloy 25S.
e * * * * * *
e. Hardcning.
* * * * * *3
Upcoming Pages
Here’s what’s next.
Search Inside
This book can be searched. Note: Results may vary based on the legibility of text within the document.
Tools / Downloads
Get a copy of this page or view the extracted text.
Citing and Sharing
Basic information for referencing this web page. We also provide extended guidance on usage rights, references, copying or embedding.
Reference the current page of this Book.
United States. War Department. Heat treating and inspection of metals, book, September 10, 1941; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc96657/m1/69/: accessed April 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.